of a houston hospital. he has been in the hospital since november battling a persistent cough. in houston with the latest. charles, hello. why the move to the intensive care unit in the last day? >> good morning, luke. the spokesman for the bush family said that the former president continues to battle a persistent stubborn fever. in fact the spokesman said late yesterday that the president in fact has been in icu here at methodist hospital in houston since last sunday and has been on a liquid diet since yesterday. he was moved to the icu, the intensive care unit because of advanced age. the former president is 88 years old and because of his weakened condition. he has been in the hospital here since november 23rd when he came in complaining about a persistent cough. last week that turned into a fever and doctors are still trying to figure out the source of that fever. the hospital issued a statement today saying there will be no more updates on the president's condition unless events warrant. we will have to wonder how the president is doing. we hope to get an update perhaps later today.